Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12044984 | Image forming apparatus with charge and development bias controlling features | Shinya Suzuki, Shohei Okumura | 2024-07-23 |
| 11960219 | Image forming apparatus for forming images on sheets by using toner | Shohei Okumura, Shinya Suzuki | 2024-04-16 |
| 11934131 | Image forming apparatus with a laser power correcting feature | Shinya Suzuki, Shohei Okumura | 2024-03-19 |
| 11733631 | Image forming apparatus | Kimiaki Yamaguchi, Shinya Suzuki, Shohei Okumura | 2023-08-22 |
| 11726421 | Image forming apparatus | Sumito Tanaka | 2023-08-15 |
| 10915047 | Image forming apparatus having a testing mode in which a temperature difference between a center part and an end part of a fixing unit rotary member is changed | Takuma Tadomi, Daigo Matsuura, Shigeaki Takada, Masayuki Tamaki, Yasuharu Chiyoda | 2021-02-09 |
| 10691053 | Image forming apparatus | Shigeaki Takada, Daigo Matsuura, Masayuki Tamaki, Yasuharu Chiyoda | 2020-06-23 |
| 10649391 | Image forming apparatus | Masayuki Tamaki, Shigeaki Takada, Daigo Matsuura, Yasuharu Chiyoda, Kengo Koyama | 2020-05-12 |
| 10054881 | Image heating apparatus | Nobuhiro Kikuchi | 2018-08-21 |
| 10031473 | Image forming apparatus and image forming system having a controller that controls a rubbing treatment for a fixing roller of a replaceable fixing portion | Katsuya Nakama, Satoru Yamamoto, Yasuharu Chiyoda, Nobuhiro Kikuchi, Akinobu Nishikata +4 more | 2018-07-24 |
| 10025248 | Image forming apparatus having a selecting portion for selecting an execution order of a number of fixing operations | Nobuhiro Kikuchi, Yasuharu Chiyoda, Satoru Yamamoto, Katsuya Nakama | 2018-07-17 |
| 9989911 | Image forming apparatus, image forming system and fixing device | Katsuya Nakama, Satoru Yamamoto, Yasuharu Chiyoda, Nobuhiro Kikuchi | 2018-06-05 |
| 9701500 | Sheet conveying apparatus and image forming apparatus | Kenjiro Sugaya, Osamu Sugino, Hiroki Muramatsu, Michiaki Endo, Teppei Nagata +1 more | 2017-07-11 |